Grandidierite and Lizardite Physical Properties

Grandidierite

Lizardite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.002.55

1 7.18

1.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Not Available

1.6 Cleavage

Perfect

{001} Perfect

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Grandidierite and Lizardite Chemical Formula

While comparing Grandidierite and Lizardite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Grandidierite and Lizardite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Grandidierite and Lizardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.55 whereas that of Lizardite is 2.55.